| FDR | False discovery rate |
| nAligns | Number of supporting alignments (for a gap-site) |
| gqs | Gap quality score |
| wgis | Weighted gap information score |
| IDIN | Intronic dinucleotides |
| mcl | Minimum CIGAR length |
| qsm | Quartet sum of MCL |
| lend | Left end |
| Logarithm to the base 2 | |
| Logarithm to the base 10 | |
| rstart | Right start |
| nlstart | Number of left start (positions) |
| RGASP | RNA-seq Genome Annotation Assessment Project |
| SD | Standard deviation |